summaryrefslogtreecommitdiff
path: root/arch/um/kernel/signal.c
diff options
context:
space:
mode:
authorJeff Dike <jdike@addtoit.com>2007-10-16 01:27:00 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:05 -0700
commitba180fd437156f7fd8cfb2fdd021d949eeef08d6 (patch)
treeb9f38b9cdd7a5b1aacf00341d1948314663c5871 /arch/um/kernel/signal.c
parent77bf4400319db9d2a8af6b00c2be6faa0f3d07cb (diff)
uml: style fixes pass 3
Formatting changes in the files which have been changed in the course of folding foo_skas functions into their callers. These include: copyright updates header file trimming style fixes adding severity to printks These changes should be entirely non-functional. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/kernel/signal.c')
-rw-r--r--arch/um/kernel/signal.c58
1 files changed, 26 insertions, 32 deletions
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 4dab7e417ba9..19cb97733937 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -1,27 +1,16 @@
/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
-#include "linux/stddef.h"
-#include "linux/sys.h"
-#include "linux/sched.h"
-#include "linux/wait.h"
-#include "linux/kernel.h"
-#include "linux/smp_lock.h"
#include "linux/module.h"
-#include "linux/slab.h"
-#include "linux/tty.h"
-#include "linux/binfmts.h"
#include "linux/ptrace.h"
+#include "linux/sched.h"
+#include "asm/siginfo.h"
#include "asm/signal.h"
-#include "asm/uaccess.h"
#include "asm/unistd.h"
-#include "asm/ucontext.h"
-#include "kern_util.h"
-#include "signal_kern.h"
-#include "kern.h"
#include "frame_kern.h"
+#include "kern_util.h"
#include "sigcontext.h"
EXPORT_SYMBOL(block_signals);
@@ -45,9 +34,9 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
current_thread_info()->restart_block.fn = do_no_restart_syscall;
/* Did we come from a system call? */
- if(PT_REGS_SYSCALL_NR(regs) >= 0){
+ if (PT_REGS_SYSCALL_NR(regs) >= 0) {
/* If so, check system call restarting.. */
- switch(PT_REGS_SYSCALL_RET(regs)){
+ switch(PT_REGS_SYSCALL_RET(regs)) {
case -ERESTART_RESTARTBLOCK:
case -ERESTARTNOHAND:
PT_REGS_SYSCALL_RET(regs) = -EINTR;
@@ -67,17 +56,17 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
}
sp = PT_REGS_SP(regs);
- if((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags(sp) == 0))
+ if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags(sp) == 0))
sp = current->sas_ss_sp + current->sas_ss_size;
#ifdef CONFIG_ARCH_HAS_SC_SIGNALS
- if(!(ka->sa.sa_flags & SA_SIGINFO))
+ if (!(ka->sa.sa_flags & SA_SIGINFO))
err = setup_signal_stack_sc(sp, signr, ka, regs, oldset);
else
#endif
err = setup_signal_stack_si(sp, signr, ka, regs, info, oldset);
- if(err){
+ if (err) {
spin_lock_irq(&current->sighand->siglock);
current->blocked = *oldset;
recalc_sigpending();
@@ -87,7 +76,7 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked,
&ka->sa.sa_mask);
- if(!(ka->sa.sa_flags & SA_NODEFER))
+ if (!(ka->sa.sa_flags & SA_NODEFER))
sigaddset(&current->blocked, signr);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
@@ -108,14 +97,16 @@ static int kern_do_signal(struct pt_regs *regs)
else
oldset = &current->blocked;
- while((sig = get_signal_to_deliver(&info, &ka_copy, regs, NULL)) > 0){
+ while ((sig = get_signal_to_deliver(&info, &ka_copy, regs, NULL)) > 0) {
handled_sig = 1;
/* Whee! Actually deliver the signal. */
- if(!handle_signal(regs, sig, &ka_copy, &info, oldset)){
- /* a signal was successfully delivered; the saved
+ if (!handle_signal(regs, sig, &ka_copy, &info, oldset)) {
+ /*
+ * a signal was successfully delivered; the saved
* sigmask will have been stored in the signal frame,
* and will be restored by sigreturn, so we can simply
- * clear the TIF_RESTORE_SIGMASK flag */
+ * clear the TIF_RESTORE_SIGMASK flag
+ */
if (test_thread_flag(TIF_RESTORE_SIGMASK))
clear_thread_flag(TIF_RESTORE_SIGMASK);
break;
@@ -123,9 +114,9 @@ static int kern_do_signal(struct pt_regs *regs)
}
/* Did we come from a system call? */
- if(!handled_sig && (PT_REGS_SYSCALL_NR(regs) >= 0)){
+ if (!handled_sig && (PT_REGS_SYSCALL_NR(regs) >= 0)) {
/* Restart the system call - no handlers present */
- switch(PT_REGS_SYSCALL_RET(regs)){
+ switch(PT_REGS_SYSCALL_RET(regs)) {
case -ERESTARTNOHAND:
case -ERESTARTSYS:
case -ERESTARTNOINTR:
@@ -136,22 +127,25 @@ static int kern_do_signal(struct pt_regs *regs)
PT_REGS_ORIG_SYSCALL(regs) = __NR_restart_syscall;
PT_REGS_RESTART_SYSCALL(regs);
break;
- }
+ }
}
- /* This closes a way to execute a system call on the host. If
+ /*
+ * This closes a way to execute a system call on the host. If
* you set a breakpoint on a system call instruction and singlestep
* from it, the tracing thread used to PTRACE_SINGLESTEP the process
* rather than PTRACE_SYSCALL it, allowing the system call to execute
* on the host. The tracing thread will check this flag and
* PTRACE_SYSCALL if necessary.
*/
- if(current->ptrace & PT_DTRACE)
+ if (current->ptrace & PT_DTRACE)
current->thread.singlestep_syscall =
is_syscall(PT_REGS_IP(&current->thread.regs));
- /* if there's no signal to deliver, we just put the saved sigmask
- * back */
+ /*
+ * if there's no signal to deliver, we just put the saved sigmask
+ * back
+ */
if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) {
clear_thread_flag(TIF_RESTORE_SIGMASK);
sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);